[Freeswitch-users] Which module to use?

Don Hawkins hawkins at hawkinsegroup.com
Fri Aug 5 09:41:57 MSD 2016 

Thanks for your help Stainislav!

I decided to go with the route below, sharing code for those that may run
across this issue later.

Get notified on certain events via HTTP post:

<!-- Get a CURL post once call starts ringing (media begins) -->
<execute application=\"export\" data=\"nolocal:execute_on_media=curl
http://mysite.com/test3.php post
event=Ringing&amp;\${uuid}&amp;state=\${state}&direction=\${direction}\"></execute>

<!-- Get a CURL post once leg B answers -->
<execute application=\"export\" data=\"nolocal:execute_on_answer=curl
http://mysite.com/test3.php post
event=Answered&amp;\${uuid}&amp;state=\${state}&direction=\${direction}\"></execute>

(remove the \ slashes)

On Thu, Aug 4, 2016 at 5:33 AM, Stanislav Sinyagin <ssinyagin at gmail.com>
wrote:

> I think inbound ESL is what will work for you best.
>
> Lua scripts can be executed within FreeSWITCH process during the call
> processing, but they are always synchronous, so your call will wait
> until the HTTP request is processed.
>
>
>
> On Thu, Aug 4, 2016 at 11:05 AM, Don Hawkins <hawkins at hawkinsegroup.com>
> wrote:
> > Thanks!
> >
> > I've looked at ESL and the mod_event_socket but I'm not looking to
> control
> > everything. I do see that it supports outbound so I tried it but it
> seems it
> > won't allow me to just get notified on events but I'll also have to
> control
> > the entire call. In other words, it wont allow JUST outbound.
> >
> > Looks like my next option is LUA (which I know nothing about as of yet)
> but
> > it looks like it will allow event hooks. Is this a viable solution in
> your
> > opinion?
> >
> > https://wiki.freeswitch.org/wiki/Mod_lua#Event_Hooks
> >
> >
> > On Thu, Aug 4, 2016 at 1:34 AM, Stanislav Sinyagin <ssinyagin at gmail.com>
> > wrote:
> >>
> >> the best approach is to have a separate daemon that connects to
> >> FreeSWITCH and subscribes to events. Then you can asynchronously
> >> process these events without affecting the call flow. There are
> >> actually hundreds of example scripts, just search for keywords:
> >> freeswitch, esl, event socket
> >>
> >> There are also implementations of ESL protocol in many programming
> >> languages, and you can choose depending on your skills and
> >> requirements. For example, Golang or Erlang would allow you to spin
> >> off a new thread every time you need it, and do some background
> >> processing in parallel. But for many tasks, single-threaded processing
> >> is enough, so Perl or Python would work fine.
> >>
> >> You can also hand the call processing to such an external program --
> >> for example, the XML dialplan executes park(), and your ESL program
> >> picks up the control and performs what you need, like IVR, for
> >> example.
> >>
> >>
> >>
> >>
> >> On Thu, Aug 4, 2016 at 7:30 AM, Don Hawkins <hawkins at hawkinsegroup.com>
> >> wrote:
> >> > So curl is working fine but I'm unsure (and unable to find any
> examples)
> >> > how
> >> > to execute the curl application on specific events, primarily when the
> >> > call
> >> > has been bridged/answered. Can anyone assist?
> >> >
> >> > On Wed, Aug 3, 2016 at 11:16 PM, Don Hawkins <
> hawkins at hawkinsegroup.com>
> >> > wrote:
> >> >>
> >> >> Figured it out, I sure did miss something, thank you for leading me
> in
> >> >> the
> >> >> right direction.
> >> >>
> >> >> <execute application="bind_digit_action"
> >> >> data="curl,*,exec:curl,http://myurl.com/mypage.cgi post
> >> >>
> >> >> uuid=${uuid}&amp;state=${state}&direction=${direction},
> aleg,aleg"></execute>
> >> >>
> >> >>
> >> >>
> >> >> On Wed, Aug 3, 2016 at 10:23 PM, Don Hawkins
> >> >> <hawkins at hawkinsegroup.com>
> >> >> wrote:
> >> >>>
> >> >>> Thank you Abaci!
> >> >>>
> >> >>> I added
> >> >>>
> >> >>> <execute application="curl" data="http://myurl.com/whatever.php
> >> >>> json"></execute>
> >> >>>
> >> >>> And it's for sure contacting my URL but it's not sending anything,
> >> >>> there
> >> >>> are no values... did I miss something?
> >> >>>
> >> >>>
> >> >>> On Wed, Aug 3, 2016 at 8:09 PM, Abaci B <abaci64 at gmail.com> wrote:
> >> >>>>
> >> >>>> https://freeswitch.org/confluence/display/FREESWITCH/mod_curl
> >> >>>>
> >> >>>> On Wed, Aug 3, 2016 at 9:03 PM, Don Hawkins
> >> >>>> <hawkins at hawkinsegroup.com>
> >> >>>> wrote:
> >> >>>>>
> >> >>>>> Care to elaborate? Do you mean mod_xml_curl? I'm already using
> that
> >> >>>>> for
> >> >>>>> serving configs, don't see it working for this...maybe I'm wrong.
> >> >>>>>
> >> >>>>> Sincerely,
> >> >>>>> Don Hawkins
> >> >>>>>
> >> >>>>> Sent from my NationPCS® Nexus 6.
> >> >>>>>
> >> >>>>>
> >> >>>>> On Aug 3, 2016 7:57 PM, "Abaci B" <abaci64 at gmail.com> wrote:
> >> >>>>>>
> >> >>>>>> curl
> >> >>>>>>
> >> >>>>>> On Wed, Aug 3, 2016 at 8:27 PM, Don Hawkins
> >> >>>>>> <hawkins at hawkinsegroup.com> wrote:
> >> >>>>>>>
> >> >>>>>>> Very simple situation...
> >> >>>>>>>
> >> >>>>>>> While on a call I want to press * to post to an external URL, I
> >> >>>>>>> want
> >> >>>>>>> to post global variables, ie. UUID.
> >> >>>>>>>
> >> >>>>>>> I have this working with httapi:
> >> >>>>>>>
> >> >>>>>>> <execute application="bind_digit_action"
> >> >>>>>>> data="httapi,*,exec:httapi,http://myurl.com,aleg,aleg\"></
> execute>
> >> >>>>>>>
> >> >>>>>>> Only problem is, httapi expects XML to be returned and I don't
> >> >>>>>>> actually want to return anything, I just want to send the
> >> >>>>>>> information to the
> >> >>>>>>> URL and for FreeSwitch to go on about it's business.
> >> >>>>>>>
> >> >>>>>>> What module is best for this job?
> >> >>>>>>>
> >> >>>>>>>
> >> >>>>>>>
> >> >>>>>>> ____________________________________________________________
> _____________
> >> >>>>>>> Professional FreeSWITCH Consulting Services:
> >> >>>>>>> consulting at freeswitch.org
> >> >>>>>>> http://www.freeswitchsolutions.com
> >> >>>>>>>
> >> >>>>>>> Official FreeSWITCH Sites
> >> >>>>>>> http://www.freeswitch.org
> >> >>>>>>> http://confluence.freeswitch.org
> >> >>>>>>> http://www.cluecon.com
> >> >>>>>>>
> >> >>>>>>> FreeSWITCH-users mailing list
> >> >>>>>>> FreeSWITCH-users at lists.freeswitch.org
> >> >>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> >>>>>>>
> >> >>>>>>>
> >> >>>>>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> >>>>>>> http://www.freeswitch.org
> >> >>>>>>
> >> >>>>>>
> >> >>>>>>
> >> >>>>>>
> >> >>>>>>
> >> >>>>>> ____________________________________________________________
> _____________
> >> >>>>>> Professional FreeSWITCH Consulting Services:
> >> >>>>>> consulting at freeswitch.org
> >> >>>>>> http://www.freeswitchsolutions.com
> >> >>>>>>
> >> >>>>>> Official FreeSWITCH Sites
> >> >>>>>> http://www.freeswitch.org
> >> >>>>>> http://confluence.freeswitch.org
> >> >>>>>> http://www.cluecon.com
> >> >>>>>>
> >> >>>>>> FreeSWITCH-users mailing list
> >> >>>>>> FreeSWITCH-users at lists.freeswitch.org
> >> >>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> >>>>>>
> >> >>>>>>
> >> >>>>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> >>>>>> http://www.freeswitch.org
> >> >>>>>
> >> >>>>>
> >> >>>>>
> >> >>>>>
> >> >>>>> ____________________________________________________________
> _____________
> >> >>>>> Professional FreeSWITCH Consulting Services:
> >> >>>>> consulting at freeswitch.org
> >> >>>>> http://www.freeswitchsolutions.com
> >> >>>>>
> >> >>>>> Official FreeSWITCH Sites
> >> >>>>> http://www.freeswitch.org
> >> >>>>> http://confluence.freeswitch.org
> >> >>>>> http://www.cluecon.com
> >> >>>>>
> >> >>>>> FreeSWITCH-users mailing list
> >> >>>>> FreeSWITCH-users at lists.freeswitch.org
> >> >>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> >>>>>
> >> >>>>>
> >> >>>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> >>>>> http://www.freeswitch.org
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>> ____________________________________________________________
> _____________
> >> >>>> Professional FreeSWITCH Consulting Services:
> >> >>>> consulting at freeswitch.org
> >> >>>> http://www.freeswitchsolutions.com
> >> >>>>
> >> >>>> Official FreeSWITCH Sites
> >> >>>> http://www.freeswitch.org
> >> >>>> http://confluence.freeswitch.org
> >> >>>> http://www.cluecon.com
> >> >>>>
> >> >>>> FreeSWITCH-users mailing list
> >> >>>> FreeSWITCH-users at lists.freeswitch.org
> >> >>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> >>>>
> >> >>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> >>>> http://www.freeswitch.org
> >> >>>
> >> >>>
> >> >>>
> >> >>>
> >> >>> --
> >> >>> Sincerely,
> >> >>> Don Hawkins
> >> >>> CEO
> >> >>> Hawkins Enterprise Group LLC
> >> >>> http://hawkinsegroup.com
> >> >>> Zello PTT: push2don
> >> >>> P: 469-214-5044
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Sincerely,
> >> >> Don Hawkins
> >> >> CEO
> >> >> Hawkins Enterprise Group LLC
> >> >> http://hawkinsegroup.com
> >> >> Zello PTT: push2don
> >> >> P: 469-214-5044
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Sincerely,
> >> > Don Hawkins
> >> > CEO
> >> > Hawkins Enterprise Group LLC
> >> > http://hawkinsegroup.com
> >> > Zello PTT: push2don
> >> > P: 469-214-5044
> >> >
> >> >
> >> > ____________________________________________________________
> _____________
> >> > Professional FreeSWITCH Consulting Services:
> >> > consulting at freeswitch.org
> >> > http://www.freeswitchsolutions.com
> >> >
> >> > Official FreeSWITCH Sites
> >> > http://www.freeswitch.org
> >> > http://confluence.freeswitch.org
> >> > http://www.cluecon.com
> >> >
> >> > FreeSWITCH-users mailing list
> >> > FreeSWITCH-users at lists.freeswitch.org
> >> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> > http://www.freeswitch.org
> >>
> >> ____________________________________________________________
> _____________
> >> Professional FreeSWITCH Consulting Services:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >>
> >> Official FreeSWITCH Sites
> >> http://www.freeswitch.org
> >> http://confluence.freeswitch.org
> >> http://www.cluecon.com
> >>
> >> FreeSWITCH-users mailing list
> >> FreeSWITCH-users at lists.freeswitch.org
> >> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/
> options/freeswitch-users
> >> http://www.freeswitch.org
> >
> >
> >
> >
> > --
> > Sincerely,
> > Don Hawkins
> > CEO
> > Hawkins Enterprise Group LLC
> > http://hawkinsegroup.com
> > Zello PTT: push2don
> > P: 469-214-5044
> >
> > ____________________________________________________________
> _____________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://confluence.freeswitch.org
> > http://www.cluecon.com
> >
> > FreeSWITCH-users mailing list
> > FreeSWITCH-users at lists.freeswitch.org
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> > http://www.freeswitch.org
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>



-- 
Sincerely,
Don Hawkins
CEO
Hawkins Enterprise Group LLC
http://hawkinsegroup.com
Zello PTT <http://zello.com>: push2don
P: 469-214-5044
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